.
HTTPSConnectionPool(host='api.brokercheck.finra.org', port=443): Max retries exceeded with url: /individual?hl=true&includePrevious=true&json.wrf=angular.callbacks._2&nrows=12&query=Maximillan%20SPARSHATT&r=25&sort=score+desc&state=NY&wt=json (Caused by ProxyError('Cannot connect to proxy.', error('Tunnel connection failed: 403 Forbidden',)))
So I have gone through your forum and then finally realized it is not yet white listed. So can you please white list api.brokercheck.finra.org?
[edit by admin: formatting]